Apache: http://www.apache.org/dist/httpd/binaries/win32/apache_1.3.26-win32-x86-no_src.exe
PHP: http://www.php.net/get_download.php?df=php-4.2.3-Win32.zip
MySQL: http://www.mysql.com/downloads/download.php?file=Downloads/MySQL-3.23/mysql-3.23.52-win.zip (elige un mirror [ hay 3 en Chile])